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Product Version = NetBeans IDE 7.4 (Build 201310111528) Operating System = Windows 7 version 6.1 running on x86 Java; VM; Vendor = 1.7.0_45 Runtime = Java HotSpot(TM) Client VM 24.45-b08
Created attachment 143955 [details] IDE log
I have been having the same issue. I updated my plugins after which I am experiencing this issue. Here's the logs: java.lang.ClassNotFoundException: org.netbeans.updater.XMLUtil at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:222) Caused: java.lang.ClassNotFoundException: org.netbeans.updater.XMLUtil starting from ModuleCL@7859857a[org.netbeans.modules.autoupdate.services] with possible defining loaders [ModuleCL@7859857a[org.netbeans.modules.autoupdate.services]] and declared parents [org.netbeans.MainImpl$BootClassLoader@3ef29c65, ModuleCL@23eca0d1[org.netbeans.api.progress]] at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) Caused: java.lang.NoClassDefFoundError: org/netbeans/updater/XMLUtil at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.newEntityResolver(AutoupdateCatalogParser.java:115) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.<init>(AutoupdateCatalogParser.java:84) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.getUpdateItems(AutoupdateCatalogParser.java:196) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogProvider.getUpdateItems(AutoupdateCatalogProvider.java:143) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogProvider.getDescription(AutoupdateCatalogProvider.java:106) at org.netbeans.modules.autoupdate.services.UpdateUnitProviderImpl.getDescription(UpdateUnitProviderImpl.java:113) at org.netbeans.api.autoupdate.UpdateUnitProvider.getDescription(UpdateUnitProvider.java:107) at org.netbeans.modules.autoupdate.ui.actions.ShowNotifications.getMessage(ShowNotifications.java:89) at org.netbeans.modules.autoupdate.ui.actions.ShowNotifications.checkNotification(ShowNotifications.java:76) at org.netbeans.modules.autoupdate.ui.Utilities.showProviderNotification(Utilities.java:416) at org.netbeans.modules.autoupdate.ui.actions.AutoupdateCheckScheduler$7.run(AutoupdateCheckScheduler.java:490) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
As a workaround delete whole the directory C:\Users\Stephen\AppData\Roaming\NetBeans\7.4\update Fixed in the latest Dev build on NetBeans 8.0